package com.itheima.reggie.controller;

/*
@date 2022年07月30日18:27
*/

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.commom.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@Slf4j
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("新增category:{}",category);
         categoryService.save(category);
        return  R.success("新增分类成功!");
    }

   @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
       //分页构造器
       Page<Category> pageInfo = new Page<>(page,pageSize);
       //条件构造器
       LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper();
       //添加排序条件
       lqw.orderByAsc(Category::getSort);
       //调用categoryService查
       categoryService.page(pageInfo, lqw);
       return R.success(pageInfo);
   }
   @DeleteMapping
   public R<String> delete(Long id){
       log.info("删除分类,id为{}",id);
        categoryService.remove(id);
        return R.success("分类信息删除成功!");
   }
   @PutMapping
    public  R<String> update(@RequestBody Category category){
        log.info("修改分类,id为{}",category);
        categoryService.updateById(category);
        return R.success("分类信息修改成功!");
   }

    /**
     * 菜品分类显示框
     * @param category
     * @return
     */
   @GetMapping("/list")
   public  R<List<Category>> list(Category category){
        //1.构造条件构造器
       LambdaQueryWrapper<Category> lqw=new LambdaQueryWrapper<>();
       //2.添加条件
       lqw.eq(category.getType()!=null,Category::getType,category.getType());
       //3.根据sort升序排序
       lqw.orderByAsc(Category::getSort);
       //4.查询结果
       List<Category> list = categoryService.list();
       return R.success(list);
   }




}
